An Ensemble for Automatic Time Series Forecasting With K-Nearest Neighbors by Maria P. Frias, Francisco Martinez

“…This approach is compared with the classical way of selecting a configuration by doing a grid search among several configurations of hyperparameters and model selection choices and choosing the one that performs best on a validation set. …”
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Electrohydrodynamic behavior of droplets on the surface of epoxy resin under electric field by Shengwen Shu, Wenhua Huang, Zhaoxuan Zhan, Lina Zhang, Yihong Lin, Zhiwen Bian

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A Simplified Finite Control Set Model Predictive Control for T-Type Three-Level Power Conversion System Based on LCL Filter by Ning Gao, Huaiyu Fan, Weimin Wu

“…Finite control set model predictive control (FCSMPC) is a highly attractive and potential control method for grid-tied converters. However, there are several challenges when employing FCSMPC in an LCL filter-based T-type three-level power conversion system (PCS) for battery energy storage applications. …”
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Principal Covariates Regression for Causal Case Studies by Weibin Ding, Jie Li, Dian Jin, Jiayang Kong

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Research on Fault Feature Extraction of Hydropower Units Based on Adaptive Stochastic Resonance and Fourier Decomposition Method by Yan Ren, Jin Huang, Lei-Ming Hu, Hong-Ping Chen, Xiao-Kai Li

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Movement and Protection for Random Shape Rockfalls in Steeply Dipping Coal Seams by Ming Liu, Jie Chen

“…Therefore, a method for generating random shape rockfalls based on ellipsoid equation is proposed, and a 3D grid model of real bottom floor of working face is established based on the geographic information system data. …”
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Using the High-Level Based Program Interface to Facilitate the Large Scale Scientific Computing by Yizi Shang, Ling Shang, Chuanchang Gao, Guiming Lu, Yuntao Ye, Dongdong Jia

“…This paper is to make further research on facilitating the large-scale scientific computing on the grid and the desktop grid platform. The related issues include the programming method, the overhead of the high-level program interface based middleware, and the data anticipate migration. …”
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The Seepage-Creep Numerical Simulation Model of Coal Measures Sandstone Based on Particle Discrete Element by Wang Liu, Fanfei Meng, Hai Pu, Jian Wang, Guohui Zhang, Qingyu Yi

“…The maximum value of the fluid grid pressure gradient increases with the increasing seepage pressure; it increases slowly under the seepage pressure of less than 1.5 MPa and increases sharply under the seepage pressure of greater than 1.5 MPa.…”
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Photoionization Impact on the Lightning Impulse Streamer Discharge of Rapeseed Insulating Oil: An Experimental Study by Yihua Qian, Qing Wang

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Capacity optimization of photovoltaic storage hydrogen power generation system with peak shaving and frequency regulation by Dan Yu, Peng Yang, Weijun Zhu

“…Abstract To solve the problem of power imbalance caused by the large-scale integration of photovoltaic new energy into the power grid, an improved optimization configuration method for the capacity of a hydrogen storage system power generation system used for grid peak shaving and frequency regulation is proposed. …”
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Distributed photovoltaic reactive power control strategy based on improved multiobjective particle swarm algorithm by Hongli Liu, Li Hao, Li Ji, Shao Lei

“…A multiobjective particle swarm algorithm with an adaptive grid and roulette mechanism is introduced to ensure the uniformity and diversity of the Pareto boundaries under the constraint that the output of each device does not exceed the constraints, and to obtain the optimal set of solutions capable of coping with the stochastic fluctuations of distributed power sources. …”
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Financial and Performance Analyses of Microcontroller Based Solar-Powered Autorickshaw for a Developing Country by Abu Raihan Mohammad Siddique, M. Shamim Kaiser

“…The Levelized Cost of Energy (LCOE) analysis, Net Present Worth, payback periods, and Benefit-to-Cost Ratio methods have been used to evaluate the financial feasibility and sensitivity analysis of m-SBAR, grid-powered BAR, and PR. The numerical analysis reveals that LCOE and Benefit-to-Cost Ratio of the proposed m-SBAR are lower compared to the grid-powered BAR. …”
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Comprehensive Approach to Mitigating Solar Photovoltaic Power Penetration Effects in a Microgrid by Youngil Kim, Manef Bourogaoui, Azeddine Houari, Hyeok Kim

“…High solar photovoltaic (PV) penetration in the electrical grid can result in undesired effects on the voltage quality, leading to line loss and voltage magnitude increases. …”
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Manufacturing Strategies for a Family of Integrated Photovoltaic-Fuel Cell Systems by Chukwuma Ogbonnaya, Grace Hegarty

“…Integrated photovoltaic-fuel cell (IPVFC) systems have the potential to contribute to sustainable energy production for grid and off-grid applications. While there are studies focusing on fundamental science and designs for IPVFC systems, there are few studies that have focused on the manufacturability of IPVFC systems, which is certainly the pathway for the commercialisation of the systems. …”
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An Advanced Multicarrier Residential Energy Hub System Based on Mixed Integer Linear Programming by Yue Yuan, Angel A. Bayod-Rújula, Huanxin Chen, Amaya Martínez-Gracia, Jiangyu Wang, Anna Pinnarelli

“…The energy hub combines the electrical grid and natural gas network, a gas boiler, a heat pump, a photovoltaic plant, and a photovoltaic/thermal (PV/T) system. …”
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Pricing Strategy of Electric Vehicle Aggregators Based on Locational Marginal Price to Minimize Photovoltaic (PV) Curtailment by Hyunwoo Song, Gab-Su Seo, Dongjun Won

“…This paper proposes a scheduling strategy for EV aggregators to reduce renewable energy curtailment and stabilize grid operation by strategically scheduling EV charging. …”
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Verification of Distributed Energy Resource Models for Microgrid Fault Calculations by Nikola Simić, Luka Strezoski, Simiša Simić, Dušan Čohadžić

“…These DERs are decoupled from the grid by inverters and thus, their fault currents are dictated by the control strategies programmed in the inverter itself. …”
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Optimized coverage algorithm of wireless video sensor network based on quantum genetic algorithm by Fu-you FAN, Guo-wu YANG, Qian-qi LE, Feng-mao LV, Chao ZHAO

“…According to the construction needs of the smart city wireless video sensor network,an optimized network coverage algorithm based on quantum genetic algorithm is proposed.The algorithm fits in with complicated monitoring scene which has some different obstacles and different degree of importance.The monitoring region is depicted by two-dimensional discrete grid model,and the discrete grid model is represented by a code description matrix.The directional wireless video sensor is described by a seven-tuples.The mathematical programming model of the coverage problem is obtained by strict mathematical derivation.The optimized coverage algorithm is comprised by IntialDeployment and OptimizedDeployment algorithms,which takes the maximum coverage rate network deployment scheme as the solving goal.The quantum genetic algorithm with reasonable chromosome coding and optimized quantum rotation gate parameter is used to search the solution space,which has a good convergence rate and a fast computation speed.Two limit values of ideal coverage rate and ideal weighted coverage rate are introduced to evaluate the algorithm by the way of relative comparison.The result of simulation experiments and data analyses show that the solutions worked out by the algorithm can well approximate the ideal limit value.When the number of sensor nodes is given,the algorithm can obtain the maximum effective coverage rate.…”
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Subchannel Analysis of Wire Wrapped SCWR Assembly by Jianqiang Shan, Henan Wang, Wei Liu, Linxing Song, Xuanxiang Chen, Yang Jiang

“…The results show that: (1) the assembly with wire wrap can obtain a more uniform coolant temperature profile than the grid spaced assembly, which will result in a lower peak cladding temperature; (2) the pressure drop in a wire wrapped assembly is less than that in a grid spaced assembly, which can reduce the operating power of pump effectively; (3) the wire wrap pitch has significant effect on the flow in the assembly. …”
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Angers/Iuliomagus, cité des Andécaves, et Le Mans/Vindinum, cité des Cénomans : deux capitales, deux modes de déploiement urbain by Pierre Chevet, Martin Pithon

“…While the first underwent from the 20s AD a massive urban restructuring arranged within an orthogonal street-grid covering 90 ha. and created in ten years, completely freed of topographical constraints, the second showed a more gradual development, with the laying out of the street-grid extending between 30 and 60-70 AD, with topographical adaptations and programmes to remodel the relief lasting throughout the 1st c. …”
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